Milk and wings
What are three characteristics of all mammals
Give milk to young, fur or hair, breathe with lungs, most have live young
What are three characteristics of amphibians?
Moist skin, lay egg with thin shell, breathe through skin and with lungs, live on land and in water
What kind of organism is able to maintain a constant body temperature?
Warm-blooded
What is an invertebrate?
An animal that has no backbone
What is a vertebrate?
What are three characteristics of bird?
Wings with feather, beaks, eggs with hard shell
What are three characteristics of reptiles?
Dry, think skin, lay eggs with thick shell, breathe with lungs
How do warm-blooded animals get the energy needed to maintain their body temperature?
What kind of organism doesn’t move and eats by filtering water.
Sponges
What two groups of animals are warm-blooded
Mammals and birds
What are two adaptations that help birds to fly?
Hollow skeleton, wings with feathers, air sacs on lungs
What are three types of amphibians?
Toads, frogs, salamanders, newts
What kind of organism can not maintain a constant body temperature?
Cold-blooded animal
What is the most important characteristic of cnidarians?
Stinging tentacles to catch prey
What are four examples of a mollusk?
Snail, slug, octopus, oyster
What are two things that birds and reptiles have in common?
Lay eggs with hard shells
Scaly skin on their bodies
What are the four groups of reptiles?
Alligators and crocodiles
Lizards
Snakes
Turtles and tortoises
How do cold blooded animals change their body temperature?
By changing their environment
Name three groups of arthropods
Arachnids, insects, crustaceans, myriapods
What are the three types of worms?
Flatworm, roundworm, segmented word
What are the three types of mammals. Give an example of each type.
Placental- humans
Marsupials- kangaroo
Egg-laying-platypus
What are three characteristics of fish?
What are the three groups of fish?
Fins, scales, gills
Cartilaginous fish, bony fish, jawless fish
What is one advantage for being cold-blooded?
Do not have to eat as often
What three characteristics do all arthropods have?
Jointed legs, body sections, exoskeleton
What are three organisms with bilateral symmetry?